From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- .../src/main/emscripten/SDL_sysmain_callbacks.c | 47 ++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/main/emscripten/SDL_sysmain_callbacks.c (limited to 'contrib/SDL-3.2.8/src/main/emscripten/SDL_sysmain_callbacks.c') diff --git a/contrib/SDL-3.2.8/src/main/emscripten/SDL_sysmain_callbacks.c b/contrib/SDL-3.2.8/src/main/emscripten/SDL_sysmain_callbacks.c new file mode 100644 index 0000000..d3b2f95 --- /dev/null +++ b/contrib/SDL-3.2.8/src/main/emscripten/SDL_sysmain_callbacks.c @@ -0,0 +1,47 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +#include "SDL_internal.h" +#include "../SDL_main_callbacks.h" + +#include + +static void EmscriptenInternalMainloop(void) +{ + const SDL_AppResult rc = SDL_IterateMainCallbacks(true); + if (rc != SDL_APP_CONTINUE) { + SDL_QuitMainCallbacks(rc); + emscripten_cancel_main_loop(); // kill" the mainloop, so it stops calling back into it. + exit((rc == SDL_APP_FAILURE) ? 1 : 0); // hopefully this takes down everything else, too. + } +} + +int SDL_EnterAppMainCallbacks(int argc, char* argv[], SDL_AppInit_func appinit, SDL_AppIterate_func appiter, SDL_AppEvent_func appevent, SDL_AppQuit_func appquit) +{ + const SDL_AppResult rc = SDL_InitMainCallbacks(argc, argv, appinit, appiter, appevent, appquit); + if (rc == SDL_APP_CONTINUE) { + emscripten_set_main_loop(EmscriptenInternalMainloop, 0, 0); // run at refresh rate, don't throw an exception since we do an orderly return. + } else { + SDL_QuitMainCallbacks(rc); + } + return (rc == SDL_APP_FAILURE) ? 1 : 0; +} + -- cgit v1.2.3